Water sensing alarm



FIG. 1 is a front perspective view of a water sensing alarm showing our new design;

FIG. 2 is a front end elevational view thereof, the rear end being substantially identical thereto;

FIG. 3 is top plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side being substantially identical thereto; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a water sensing alarm, substantially as shown. 